package com.maigu.controller;

import com.maigu.dataobject.ProductCategory;
import com.maigu.dataobject.ProductInfo;
import com.maigu.exception.SellException;
import com.maigu.form.CategotyForm;
import com.maigu.form.ProductForm;
import com.maigu.service.CategoryService;
import com.maigu.utils.KeyUtil;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.util.StringUtils;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;

import javax.validation.Valid;
import java.util.List;
import java.util.Map;

/**
 * 卖家类目
 */
@Controller
@RequestMapping("/seller/category")
public class SellerCategoryController {
    @Autowired
    private CategoryService categoryService;
    @GetMapping("/list")
    public ModelAndView list(Map<String,Object> map)
    {
        List<ProductCategory> productCategoryList = categoryService.finAll();
        map.put("productCategoryList",productCategoryList);
        return new ModelAndView("category/list",map);
    }

    /**
     * 展示
     * @param categoryId
     * @param map
     * @return
     */
    @GetMapping("/index")
    public ModelAndView index(@RequestParam(value ="categoryId",required = false) Integer categoryId,Map<String,Object> map)
    {

        if(categoryId!=null) {
            ProductCategory productCategory = categoryService.findOne(categoryId);
            map.put("productCategory", productCategory);
        }
        return new ModelAndView("category/index",map);
    }
    @PostMapping("/save")
    public ModelAndView save(@Valid CategotyForm categotyForm, BindingResult bindingResult, Map<String, Object> map)
    {
        if(bindingResult.hasErrors())
        {
            map.put("msg",bindingResult.getFieldError().getDefaultMessage());
            map.put("url","/sell/seller/category/index");
            return new ModelAndView("common/error",map);
        }
         ProductCategory productCategory=new ProductCategory();
        try {
            //如果商品ID不为空状态为修改
            if(categotyForm.getCategoryId()!=null) {
                productCategory = categoryService.findOne(categotyForm.getCategoryId());
            }

            BeanUtils.copyProperties(categotyForm,productCategory);
            categoryService.save(productCategory);
        }
        catch (SellException e)
        {
            map.put("msg",e.getMessage());
            map.put("url","/sell/seller/category/index");
            return new ModelAndView("common/error",map);
        }
        map.put("msg","保存成功！");
        map.put("url","/sell/seller/category/list");
        return new ModelAndView("common/success",map);

    }

}
